8 Mysterious things that have baffled scientists for years

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Indeed, we of the human race walked on the moon 50 years ago and have achieved a lot in terms of technological, spiritual and social aspects. However, no matter how much we might be developed, there are mysteries that still surprise even the best scientists. I mean, there are vestiges of past civilizations that continue to confuse archaeologists, physicists and chemists alike. And here are such!

A confectioner decorates her cakes as if they were embroidered with thread and needle: One would be easily fooled that they are true works of art